<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card>
      <el-row>
        <el-col :span="8">
          <el-input
            clearable
            placeholder="请输入内容"
            class="input-with-select"
            v-model="queryInfo.query"
            @clear="clearGoodsList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoosList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddGoosPage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- table表格区域 -->
      <el-table :data="goosList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column prop="goods_name" label="商品名称"></el-table-column>
        <el-table-column
          prop="goods_price"
          label="商品价格(元)"
          width="80px"
        ></el-table-column>
        <el-table-column
          prop="goods_weight"
          label="商品重量"
          width="80px"
        ></el-table-column>
        <el-table-column prop="add_time" label="创建时间" width="140px">
          <template slot-scope="scope">{{
            scope.row.add_time | dateFormat
          }}</template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <el-button type="primary" size="mini">编辑</el-button>
            <el-button
              type="danger"
              size="mini"
              @click="DeleteById(scope.row.goods_id)"
              >删除</el-button
            >
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 30]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      ></el-pagination>
    </el-card>
  </div>
</template>
<script>
export default {
  name: "List",
  data() {
    return {
      // 查询条件
      queryInfo: {
        query: "",
        pagenum: 1,
        pagesize: 10
      },
      // 商品数据列表
      goosList: [],
      total: 0
    };
  },
  methods: {
    // 获取参数列表
    async getGoosList() {
      const { data: res } = await this.$http.get("goods", {
        params: this.queryInfo
      });
      if (res.meta.status == 200) {
        // this.$message.success("获取参数列表成功!");
        this.goosList = res.data.goods;
        this.total = res.data.total;
        // console.log(res);
      } else {
        this.$http.error("获取失败!");
      }
    },
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize;
      this.getGoosList();
    },
    handleCurrentChange(newNum) {
      this.queryInfo.pagenum = newNum;
      this.getGoosList();
    },
    // 点击清空触发
    clearGoodsList() {
      this.queryInfo.query = "";
      this.getGoosList();
    },
    // 删除商品
    async DeleteById(goods_id) {
      const confirmRlust = await this.$confirm(
        "此操作将永久删除该商品, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }
      ).catch(err => err);
      // console.log(confirmRlust);
      //如果用户点了确定泽返回字符串confirm,选择了取消返回字符串cancel
      if (confirmRlust === "confirm") {
        const { data: res } = await this.$http.delete("goods/" + goods_id);
        if (res.meta.status == 200) {
          this.$message.success("删除商品成功!");
          this.getGoosList();
        } else {
          this.$message.error("删除商品失败!");
          this.getGoosList();
        }
      } else {
        this.$message.info("取消了删除!");
      }
    },
    // 跳转到添加商品页面
    goAddGoosPage() {
      this.$router.push("/goods/add");
    }
  },
  created() {
    this.getGoosList();
  },
  components: {},
  computed: {},
  beforeMount() {},
  mounted() {},
  watch: {}
};
</script>
<style lang="less" scoped>
.el-col {
  margin: 10px;
}
</style>
